Home / 67,427.79-101,110.39-39,355.92

Finding the Fourth Proportional to 67,427.79, 101,110.39 and 39,355.92

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Solution

The fourth proportional to 67,427.79, 101,110.39 and 39,355.92 is: 59,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,427.79 : 101,110.39 = 39,355.92 : x
  2. Step 2: Convert to fraction form
    67,427.79/101,110.39 = 39,355.92/x
  3. Step 3: Cross multiply
    67,427.79x = 101,110.39 × 39,355.92
  4. Step 4: Simplify right side
    67,427.79x = 3,979,292,420.01
  5. Step 5: Solve for x
    x = 3,979,292,420.01/67,427.79
  6. Step 6: Final answer
    x = 59,015.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.